AI Article Synopsis
- Essential oils from E. aquifolium, collected in Cádiz, were extracted and analyzed, identifying 107 compounds with quantitative and qualitative differences between plant parts.
- The main components varied by part: germacrene D and sesquicineole in inflorescences, germacrene D and myrcene in stems/leaves, and exclusively phyllocladene isomer in roots.
- No specific compound was identified as a chemotaxonomic marker for E. aquifolium, but similarities with other species in similar environments were noted, marking the first report on the essential oils of this species.
Article Abstract
The essential oils from the different parts [inflorescences (E.a.I), stems + leaves (E.a.SL) and roots (E.a.R)] of E. aquifolium Cav. gathered in Cádiz (Spain), have been extracted by steam distillation and analyzed by gas chromatography and gas chromatography coupled to mass spectrometry. Quantitative and qualitative differences have been found between the analyzed plant parts. A total of 107 compounds have been identified. The main constituents were germacrene D (30.3%) and sesquicineole (26.7%) for E.a.I fraction, germacrene D (46.0%) and myrcene (13.8%) in the E.a.SL, while E.a.R showed phyllocladene isomer (63.6%) as a unique major compound. The percentage composition of the other constituents was lower than 5.5% in all the analyzed fractions. In agreement with other Eryngium species, no specific compound could be used as a marker for the chemotaxonomy of E. aquifolium. However, similarities in volatile composition were found between E. aquifolium and other species growing under similar environmental conditions. As far as we know, this is the first report on the essential oil of this species.
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